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        • Lifecycle status

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          Apter Power supports quotation, configuration records, sourcing, and Keyphasor compatibility guidance.

        3500/25-02-01-01

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Bently Nevada 3500/25-02-01-01 combines two half-height Enhanced Keyphasor cards for four input channels, internal-termination I/O and cNRTLus Class I Division 2 approval.
        In Stock
        Ships by Wednesday, September 30
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 3500/25-02-01-01

        • Manufacturer:
          Bently Nevada
        • Part Number:
          3500/25-02-01-01
        • Product Family:
          3500 System
        • Product Type:
          Enhanced Keyphasor Module
        • Stock:
          1
        • Channel option:
          02 = Two half-height 2-channel cards
        • Total channels:
          4
        • I/O option:
          01 = Internal terminations
        • Approval option:
          01 = cNRTLus Class I Division 2
        • Power consumption:
          3.2 W typical per module
        • Accepted signals:
          Proximity probes or magnetic pickups
        • Non-isolated input range:
          +0.8 to -21.0 V
        • Input impedance:
          21.8 kohm minimum
        • Input frequency range:
          0.017 Hz to 20 kHz
        • Maximum events per revolution:
          Supported to 20 kHz
        • Manual threshold:
          0 to -20 VDC selectable
        • Hysteresis:
          0.2 to 2.5 V selectable
        • Buffered outputs:
          Two front coaxial and two rear Euro-style per card
        • Buffered output impedance:
          504 ohms maximum
        • Transducer supply:
          -24 VDC, 40 mA maximum per channel
        • Main-card weight:
          0.34 kg (0.76 lb)
        • I/O module weight:
          0.46 kg (1.01 lb)
        • Operating temperature:
          -30 to +65 C with standard Keyphasor I/O
        • Weight:
          2.51 lbs (1.14 kg)
        • Estimated shipping dimensions:
          Main: 2 × 119.9 × 24.4 × 256.5 mm; I/O: 241.3 x 24.4 x 103.1 mm
        • Tariff Code:
          8537101190
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Applications Keyphasor Processing Firmware & Updates Compatibility

        Features:

        • Provides four Keyphasor channels through two half-height two-channel cards.
        • Uses the internal-termination I/O option selected by code 01.
        • Processes proximity-probe or magnetic-pickup events for speed and phase reference.
        The current ordering configuration is 3500/25-02-01-01, two half-height Enhanced Keyphasor cards, internal-termination I/O and cNRTLus Class I Division 2 approval.

        The cards condition up to four timing-reference inputs and distribute Keyphasor information and buffered signals to the rack and external connections.

        Before installation, verify slot pairing, transducer type, event count, thresholds, internal termination wiring, firmware level and hazardous-area documentation.

        Availability is subject to Apter Power inventory and sourcing confirmation.
        Verified resources for Bently Nevada 3500/25-02-01-01:
        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • Generates once-per-turn reference signals for vibration phase and orbit analysis.
        • Measures shaft speed from proximity-probe or magnetic-pickup pulse trains.
        • Provides primary and backup Keyphasor inputs in supported redundant or paired arrangements.
        • Each half-height card accepts two transducer signals and generates timing-reference events.
        • Multiple events per revolution can be processed up to the documented 20 kHz input limit.
        • Manual threshold and hysteresis settings adapt triggering to the installed transducer waveform.
        • Enhanced functions include field-upgradeable firmware and asset-management data reporting.
        • Firmware compatibility must be checked for both half-height cards in the four-channel arrangement.
        • Record the installed configuration before upgrading so threshold and event settings can be restored.
        • Internal-termination I/O cannot be used with external termination blocks.
        • Proximity probes use the documented non-isolated input range and module-supplied transducer power.
        • Isolated magnetic-pickup I/O behavior does not apply to this 01 internal-termination option.
        Description
        3500/25-02-01-01 is the four-channel Enhanced Keyphasor configuration for the Bently Nevada 3500 system. Option 02 supplies two half-height two-channel cards, allowing four primary or paired timing-reference inputs in the designated rack positions.

        The 01 I/O selection uses internal terminations, while the final 01 field selects cNRTLus Class I Division 2 approval. Input conditioning accepts compatible proximity-probe or magnetic-pickup signals and produces Keyphasor timing information for other rack modules.

        This configuration supports speed, phase and once-per-turn reference functions for machinery protection and analysis. Transducer type, threshold, event count, rack placement, internal wiring and firmware settings must be validated before commissioning.
        Alternative Names
        3500/25-02-01-01 350025020101 3500 25 02 01 01 3500/25-02-01-01 Four-Channel Enhanced Keyphasor Module 3500/25-02-01-01 Two Half-Height Keyphasor Cards 3500/25-02-01-01 Internal-Termination Keyphasor Module 3500/25-02-01-01 cNRTLus Class I Division 2 Configuration Bently Nevada 3500/25 Enhanced Keyphasor Module
        Technical notes
        3500/25-02-01-01 uses internal terminations; do not connect external termination blocks, and verify both half-height cards are installed in the planned slot arrangement.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        How does option 02 configure 3500/25-02-01-01?
        It supplies two half-height two-channel Keyphasor cards, giving the order four input channels.
        Which termination scheme belongs to 3500/25-02-01-01?
        The middle 01 code selects internal terminations; external termination blocks are not compatible with that I/O choice.
        Can 3500/25-02-01-01 accept magnetic-pickup signals?
        Yes, provided the signal range, threshold and wiring meet the requirements for the selected non-isolated I/O configuration.
        What timing tasks can 3500/25-02-01-01 support?
        It can create speed, phase and once-per-turn references, including multiple-event processing within the published frequency limit.
        What must be checked when replacing 3500/25-02-01-01?
        Confirm both card revisions, slot arrangement, I/O module, approval, transducer type, thresholds and firmware settings.
        What documentation should be sent for a 3500/25-02-01-01 inquiry?
        Provide the rack layout, both module labels, rear I/O part number, configured inputs, firmware levels and required approval.

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